/**
* Returns <code>true</code> if the active channels are mapped to <code>Red</code>, <code>Green
* </code> or <code>Blue</code>, <code>false</code> only and exclusively, if the number of active
* channels is 0 or greater than 3.
*
* @param channels The collection of channels to handle.
* @return See above.
*/
private boolean isImageMappedRGB(List channels) {
return parent.isMappedImageRGB(channels);
}
